Krølle Bølle lives safely underground on Bornholm with his family and all the other trolls. Life here is full of bat flights, cave parties—and rules, lots of rules. One rule in particular must never be broken: do not go up to the surface, because humans are dangerous. But Krølle Bølle is a troublemaker who doesn’t quite understand what all the rules are for. When a sudden rumbling comes from above,... see more